package com.itheima.reggie.common;


import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import javax.naming.ldap.Control;
import java.sql.SQLIntegrityConstraintViolationException;

@ControllerAdvice(annotations = {RestController.class, Controller.class})
@Slf4j
@ResponseBody
public class GlobalExceptionHandler {
    /**
     * 全局异常处理
     * sql异常
     */

    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());

        if(ex.getMessage().contains("Duplicate entry")){
            String[] split = ex.getMessage().split(" ");
            String msg = split[2] +"已存在";
            return R.error(msg);

        }


        return R.error("未知错误");
    }

    //自定义异常
    @ExceptionHandler(CustomException.class)
    public R<String> CustomException(CustomException ex){
        log.error(ex.getMessage());

        return R.error(ex.getMessage());
    }

}
